Glue stick



FIG. 1 is a front perspective view of a glue stick showing the newdesign;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view of thereof;

FIG. 4 is left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a front perspective view thereof in an exploded conditionshowing the cap removed.

The ornamental design for a glue stick, as shown and described.